Shepherd Writeup for "Proof-of-Possession Key Semantics for JSON Web
The document shepherd is Kepeng Li. The responsible Area Director is
This specification defines how to express a declaration in a JSON Web
Token (JWT) that the presenter of the JWT possesses a particular key
and that the recipient can cryptographically confirm proof-of-
possession of the key by the presenter. This property is also
sometimes described as the presenter being a holder-of-key.
This specification is a Standards Track RFC describing a solution
component described in the OAuth 2.0 Proof-of-Possession architecture
2. Review and Consensus
The document was developed by the working group based on the
requirements and architecture described in
There is strong consensus behind this work.
This document contains an IANA consideration section and requires
registration into an existing registry and a new registry to be created.
The document contains JSON examples, which have been validated using
One example is only a JSON snippet and does not contain valid JSON.
3. Intellectual Property
Each author has confirmed conformance with BCP 78/79. There are no IPR
disclosures on the document.
4. Other Points
All normative references have been finalized.